Asus PRIME B550M-K ARGB DDR4 AMD Motherboard

Key Features

• Ready for Advanced AI PC: Designed for the future of AI computing, with the power and connectivity needed for demanding AI applications
• AMD AM4 Socket: Ready for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
• Ultrafast Connectivity: PCIe 4.0, dual M.2 slots, Realtek 1Gb Ethernet, rear USB 3.2 Gen 1 ports and front USB 3.2 Gen 1 Type-C®
• Comprehensive Cooling: PCH heatsink, hybrid fan headers and Fan Xpert 2+
• Aura Sync RGB Lighting: Onboard Addressable Gen 2 headers for RGB LED strips, easily synced with Aura Sync-capable hardware

B550M-K ARGB

ASUS PRIME series is expertly engineered to unleash the full potential of 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, PRIME B550 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features. This platform delivers the power and connectivity that advanced AI PC applications demand.

FLEXIBILITY

Comprehensive controls form the foundation of the ASUS PRIME series. The PRIME B550 motherboard packs flexible tools to tune every aspect of your system, enabling performance tweaks to perfectly match the way you work to maximize productivity.

All-Around Energy Efficiency

With the Energy Processing Unit (EPU), you‘ll enjoy system-wide power savings.The EPU automatically optimizes power consumption and maximizes savings with Away mode.

COOLING

PRIME B550 series are engineered with an array of hybrid fan headers to ensure your rig stays cool and stable under intense workloads.

Cooler by Design

PRIME B550 series feature comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS.

Multiple Temperature Sources

Each header can dynamically reference three thermal sensors. Fan Xpert 2+ allows you to map the temperature of supported ASUS graphics cards to optimize cooling for GPU- and CPU-intensive tasks.

PERFORMANCE

PRIME B550 motherboard provides all the fundamentals to boost daily productivity, so your system will be ready for action with stable power, intuitive cooling and flexible data transfer options.

Dual M.2 Slots (up to 64 Gbps)

PRIME B550M-K ARGB offers a total of two M.2 slots, one of which supports data-transfer speeds of up to 64Gbps* via PCIe 4.0, enabling quicker boot-up and app load times with OS or application drives.

Combined onboard features deliver elevated audio

Intelligent design and premium hardware create audio quality unlike anything you’ve ever experienced.

Audio Shielding

Audio shielding ensures precision analog/digital separation and greatly reduced multi-lateral interference.

Dedicated Audio PCB Layers

Separate layers for left and right tracks ensures both channels deliver consistent, equal quality.

Premium Audio Capacitors

Provides warm, natural, and immersive sound with exceptional clarity and fidelity.

Specification

Model : PRIME B550M-K ARGB

News & Updates : Socket AM4

Chipset : AMD B550 Chipset

Ethernet : 1 x Realtek 1Gb Ethernet

BIOS : 128 Mb Flash ROM, UEFI AMI BIOS

Manageability : WOL by PME, PXE

Operating System : Windows® 11, Windows® 10 64-bit

CPU

AMD Socket AM4 for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors*

Memory

2 x DIMM slots, Max. 64GB, DDR4 5100(OC)/4866(OC)/4600(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3733(OC)/3600(OC)/3466(OC)/3400(OC)/3333(OC)/3200/3000/2933/2800/2666/2400/2133, Un-buffered Memory*

Dual Channel Memory Architecture

ECC memory (ECC mode) support varies by CPU.

Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit https://www.asus.com/support/.

Graphics

1 x DisplayPort

1 x HDMI™ port

Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications.

Supports max. 4K@60Hz as specified in DisplayPort 1.4.

Supports 4K@60Hz as specified in HDMI 2.1.

Expansion Slots

AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors

1 x PCIe 4.0 x16 slot (supports x16 mode)

AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors

1 x PCIe 3.0 x16 slot (supports x16 mode)

AMD B550 Chipset

1 x PCIe 3.0 x1 slot

Storage

Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports*

AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors

M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 & SATA modes)

AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors

M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes)

AMD B550 Chipset

M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes)

4 x SATA 6Gb/s ports

USB

Rear USB (Total 6 ports)

4 x USB 3.2 Gen 1 (5G) ports (4 x Type-A)

2 x USB 2.0 ports (2 x Type-A)

Front USB (Total 7 ports)

1 x USB 3.2 Gen 1 (5G) connector (supports USB Type-C®)

1 x USB 3.2 Gen 1 (5G) header supports 2 additional USB 3.2 Gen 1 ports

2 x USB 2.0 headers support 4 additional USB 2.0 ports

Audio

Realtek 7.1 Surround Sound High Definition Audio CODEC

- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking

- Supports up to 24-Bit/192 kHz playback

Audio Features

- Audio Shielding

- Premium audio capacitors

- Dedicated audio PCB layers

Back Panel I/O Ports

4 x USB 3.2 Gen 1 (5G) ports (4 x Type-A)

2 x USB 2.0 ports (2 x Type-A)

1 x DisplayPort

1 x HDMI™ port

1 x Realtek 1Gb Ethernet port

3 x Audio jacks

1 x PS/2 Keyboard/Mouse combo port

Internal I/O Connectors

Fan and Cooling related

1 x 4-pin CPU Fan header

2 x 4-pin Chassis Fan headers

Power related

1 x 24-pin Main Power connector

1 x 8-pin +12V Power connector

Storage related

2 x M.2 slots (Key M)

4 x SATA 6Gb/s ports

USB

1 x USB 3.2 Gen 1 (5G) connector (supports USB Type-C® )

1 x USB 3.2 Gen 1 (5G) header supports 2 additional USB 3.2 Gen 1 ports

2 x USB 2.0 headers support 4 additional USB 2.0 ports

Miscellaneous

3 x Addressable Gen 2 headers

1 x Clear CMOS header

1 x COM Port header

1 x Front Panel Audio header (AAFP)

1 x S/PDIF Out header

1 x Speaker header

1 x SPI TPM header (14-1 pin)

1 x 10-1 pin System Panel header

Special Features

ASUS 5X PROTECTION III

- DIGI+ VRM

- LANGuard

- Overvoltage Protection

- SafeSlot Core

- Stainless-Steel Back I/O

ASUS Q-Design

- Q-DIMM

- Q-LED Core

- Q-Slot

ASUS Thermal Solution

- Aluminum heatsink design

Aura Sync

- Addressable Gen 2 headers

Software Features

ASUS Exclusive Software

Armoury Crate

- Aura Creator

- Aura Sync

AI Suite 3

- Performance And Power Saving Utility

 TurboV EVO

 EPU

 DIGI+ VRM

 Fan Xpert 2+

- EZ update

ASUS CPU-Z

Norton 360 Deluxe (60 Days Free Trial)

WinRAR

UEFI BIOS

ASUS EZ DIY

- ASUS CrashFree BIOS 3

- ASUS EZ Flash 3

- ASUS UEFI BIOS EZ Mode

Accessories

Cables

2 x SATA 6Gb/s cables

Miscellaneous

1 x I/O Shield

1 x Screw package for M.2 SSD

Documentation

1 x User guide

Form Factor

micro-ATX Form Factor

9.6 inch x 8.7 inch ( 24.4 cm x 22.1 cm )